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Diethyl Phosphite Flame Retardant Intermediate from Japan

Diethyl phosphite used to synthesize phosphorus-based flame retardants for textiles and plastics. Classified HTS 2920.22.00.00 as phosphite ester essential for organophosphorus polymer additives.

Duty Rate — Japan → United States

12.5%

Rate breakdown

9903.05.4912.5%Section 301 (forced labor) — Japan (col1 rate < 12.5 percent): MFN < 12.5% → total duty capped at 12.5%

Import Tips

Include REACH Annex XVII flame retardant documentation if EU origin

Verify P-content analysis (23-24%); variance indicates mixture classification

Large volume imports (>20MT) require EPA pre-manufacture notification